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UG193: EZR32HG 490 MHz 20 dBm
Wireless Starter Kit User's Guide
A Wireless Starter Kit with the BRD4545A Radio Board is an ex-
cellent starting point to get familiar with the EZR32™ Happy
Gecko Wireless Microcontroller, and it provides all necessary tools
for developing a Silicon Labs wireless application.
BRD4545A is a plug-in board for the Wireless Starter Kit Mainboard. It is a complete ref-
erence design for the EZR32HG Wireless MCU, with matching network for 20 dBm out-
put power, and an SMA connector for the 490 MHz band. The radio board also features
a USB Micro-B connector with device mode support.
The Wireless Starter Kit Mainboard contains an on-board J-Link debugger with a Packet
Trace Interface and a Virtual COM port, enabling application development and debug-
ging the attached radio board as well as external hardware. The Mainboard also con-
tains sensors and peripherals for easy demonstration of some of the EZR32's many ca-
pabilities.
This document describes how to use the BRD4545A Radio Board together with a Wire-
less Starter Kit Mainboard.
silabs.com | Building a more connected world.
BRD4545A RADIO BOARD FEATURES
• EZR32 Happy Gecko Wireless MCU with
64 kB Flash, and 8 kB RAM.
(EZR32HG320F64R63G)
• 20 dBm output power
• SMA connector for 490 MHz RF
• USB 2.0 Full Speed (12 Mbps) Device
Mode
WIRELESS STK MAINBOARD FEATURES
• Advanced Energy Monitor
• Packet Trace Interface
• Virtual COM Port
• SEGGER J-Link on-board debugger
• External device debugging
• Ethernet and USB connectivity
• Silicon Labs Si7021 Relative Humidity and
Temperature sensor
• Low Power 128x128 pixel Memory LCD
• User LEDs / Pushbuttons
• 20-pin 2.54 mm EXP header
• Breakout pads for Wireless MCU I/O
• CR2032 coin cell battery support
SOFTWARE SUPPORT
• Simplicity Studio™
• Energy Profiler
ORDERING INFORMATION
• SLWSTK6243A
• SLWRB4545A
Rev. 1.01
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Table of Contents
Related Manuals for Silicon Laboratories SLWSTK6243A
Summary of Contents for Silicon Laboratories SLWSTK6243A
- Page 1 • 20-pin 2.54 mm EXP header • Breakout pads for Wireless MCU I/O • CR2032 coin cell battery support SOFTWARE SUPPORT • Simplicity Studio™ • Energy Profiler ORDERING INFORMATION • SLWSTK6243A • SLWRB4545A silabs.com | Building a more connected world. Rev. 1.01...
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Page 2: Table Of Contents
Table of Contents 1. Introduction ....... . 4 1.1 Radio Boards ......4 1.2 Ordering Information . - Page 3 11. Kit Revision History ......11.1 SLWSTK6243A Revision History ..... . .31 11.2 SLWRB4545A Revision History...
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Page 4: Introduction
Mainboard. The combination of these two boards is hereby referred to as a Wireless Starter Kit (Wireless STK). 1.2 Ordering Information BRD4545A can be obtained as part of the SLWSTK6243A Wireless Starter Kit, or as a separate radio board SLWRB4545A. Table 1.1. Ordering Information... -
Page 5: Hardware Overview
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Hardware Overview 2. Hardware Overview 2.1 Hardware Layout The layout of the EZR32HG 490 MHz 20 dBm Wireless Starter Kit is shown in the figure below. Radio Board Breakout Pads Plug-in Radio Board On-board USB and Si7021 Humidity and... -
Page 6: Block Diagram
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Hardware Overview 2.2 Block Diagram An overview of the EZR32HG 490 MHz 20 dBm Wireless Starter Kit is shown in the figure below. Board USB Mini-B Controller RJ-45 Ethernet Connector Connector UART... -
Page 7: Connectors
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Connectors 3. Connectors This chapter gives you an overview of the Wireless STK Mainboard connectivity. The placement of the connectors can be seen in the figure below. Ethernet Connector J-Link USB Connector In/Out Debug... -
Page 8: Breakout Pads
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Connectors 3.3 Breakout Pads Most pins of the EZR32 are routed from the radio board to breakout pads at the top and bottom edges of the Wireless STK Mainboard. A 2.54 mm pitch pin header can be soldered on for easy access to the pins. -
Page 9: Expansion Header
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Connectors 3.4 Expansion Header On the right hand side of the Wireless STK Mainboard an angled 20-pin expansion header is provided to allow connection of peripher- als or plugin boards. The connector contains a number of I/O pins that can be used with most of the EZR32 Happy Gecko's features. Additionally, the VMCU, 3V3 and 5V power rails are also exported. -
Page 10: Expansion Header Pin-Out
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Connectors 3.4.1 Expansion Header Pin-out Many pins on the EZR32 are shared between the Expansion Header and other functions on the Wireless STK Mainboard. Table 3.1 Expansion Header Pinout on page 10 includes an overview of the mainboard features that share pins with the Expansion Header. -
Page 11: Debug Connector
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Connectors 3.5 Debug Connector The Debug Connector serves multiple purposes based on the "debug mode" setting which can be configured in Simplicity Studio. When the debug mode is set to "Debug IN", the debug connector can be used to connect an external debugger to the EZR32 on the radio board. -
Page 12: Simplicity Connector
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Connectors 3.6 Simplicity Connector The Simplicity Connector enables the advanced debugging features, such as the AEM, the Virtual COM port and the Packet Trace In- terface, to be used towards an external target. The pinout is illustrated in the figure below. VMCU VCOM_TX VCOM_RX... -
Page 13: Debug Adapter
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Connectors 3.7 Debug Adapter BRD8010A STK/WSTK Debug Adapter is an adapter board which plugs directly into the Debug Connector and the Simplicity Connector on the mainboard and combines selected functionality from these two to a smaller footprint 10-pin connector which is more suitable for space constrained designs. -
Page 14: Power Supply And Reset
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Power Supply and Reset 4. Power Supply and Reset 4.1 Radio Board Power Selection The EZR32 on a Wireless Starter Kit can be powered by one of these sources: •... -
Page 15: Ezr32 Reset
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Power Supply and Reset 4.3 EZR32 Reset The EZR32 Wireless MCU can be reset by a few different sources: • A user pressing the RESET button. • The on-board debugger pulling the #RESET pin low. •... -
Page 16: Peripherals
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Peripherals 5. Peripherals The starter kit has a set of peripherals that showcase some of the features of the EZR32. Be aware that most EZR32 I/O routed to peripherals are also routed to the breakout pads. This must be taken into consideration when using the breakout pads for your application. -
Page 17: Memory Lcd-Tft Display
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Peripherals 5.3 Memory LCD-TFT Display A 1.28-inch SHARP Memory LCD-TFT is available on the kit to enable interactive applications to be developed. The display has a high resolution of 128 by 128 pixels, and consumes very little power. It is a reflective monochrome display, so each pixel can only be light or dark, and no backlight is needed in normal daylight conditions. -
Page 18: Si7021 Relative Humidity And Temperature Sensor
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Peripherals 5.4 Si7021 Relative Humidity and Temperature Sensor The Si7021 I C relative humidity and temperature sensor is a monolithic CMOS IC integrating humidity and temperature sensor ele- ments, an analog-to-digital converter, signal processing, calibration data, and an I C Interface. -
Page 19: Virtual Com Port
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Peripherals 5.5 Virtual COM Port An asynchronous serial connection to the board controller is provided for application data transfer between a host PC and the target EZR32. This eliminates the need for an external serial port adapter. Isolation &... -
Page 20: Host Interfaces
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Peripherals 5.5.1 Host Interfaces Data sent to the board controller through the VCOM interface is available in two different ways to the user. At the same time, data can be sent to the target device using these interfaces: •... -
Page 21: Hardware Handshake
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Peripherals 5.5.3 Hardware Handshake The VCOM peripheral supports basic RTS/CTS flow control. VCOM_CTS (target clear to send) is a signal that is output from the board controller and input to the target device. The board controller de-asserts this pin whenever its input buffer is full and it is unable to accept more data from the target device. -
Page 22: Board Controller
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Board Controller 6. Board Controller The Wireless STK Mainboard contains a dedicated microcontroller for some of the advanced kit features provided. This microcontroller is referred to as the "Board Controller", and is not programmable by the user. The board controller acts as an interface between the host PC and the target device on the radio board, as well as handling some house-keeping functions on the board. -
Page 23: Command Examples
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Board Controller 6.1.3 Command Examples PTI Configuration pti config 0 efruart 1600000 Configures PTI to use the "EFRUART" mode at 1.6 Mb/s. Serial Port Configuration serial config vcom handshake enable Enables hardware handshake on the VCOM UART connection. -
Page 24: Advanced Energy Monitor
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Advanced Energy Monitor 7. Advanced Energy Monitor 7.1 Introduction Any embedded developer seeking to make his embedded code spend as little energy as the underlying architecture supports, needs tools to easily and quickly discover inefficiencies in the running application. This is what the Simplicity Energy Profiler is designed to do. -
Page 25: Aem Accuracy And Performance
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Advanced Energy Monitor 7.3 AEM Accuracy and Performance The AEM is capable of measuring currents in the range of 0.1 µA to 95 mA. For currents above 250 µA, the AEM is accurate within 0.1 mA. -
Page 26: On-Board Debugger
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide On-Board Debugger 8. On-Board Debugger The Wireless STK Mainboard contains an integrated debugger, which can be used to download code and debug the EZR32. In addition to programming a target on a plug-in radio board, the debugger can also be used to program and debug external Silicon Labs EFM32, EFM8, EZR32 and EFR32 devices connected through the debug connector. -
Page 27: Debug Modes
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide On-Board Debugger 8.2 Debug Modes Programming external devices is done by connecting to a target board through the provided Debug IN/OUT Connector, and by setting the debug mode to [Out]. The same connector can also be used to connect an external debugger to the EZR32 Wireless MCU on the kit, by setting debug mode to [In]. -
Page 28: Debugging During Battery Operation
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide On-Board Debugger Note: For "Debug IN" to work, the kit board controller must be powered through the Debug USB connector. 8.3 Debugging During Battery Operation When the EZR32 is powered by battery and the J-Link USB is still connected, the on-board debug functionality is available. If the USB power is disconnected, the Debug In mode will stop working. -
Page 29: Kit Configuration And Upgrades
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Kit Configuration and Upgrades 9. Kit Configuration and Upgrades The kit configuration dialog in Simplicity Studio allows you to change the J-Link adapter debug mode, upgrade its firmware and change other configuration settings. -
Page 30: Schematics, Assembly Drawings, And Bom
UG193: EZR32HG 490 MHz 20 dBm Wireless Starter Kit User's Guide Schematics, Assembly Drawings, and BOM 10. Schematics, Assembly Drawings, and BOM Schematics, assembly drawings, and bill of materials (BOM) are available through Simplicity Studio when the kit documentation pack- age has been installed. -
Page 31: Kit Revision History
The kit revision can be found printed on the kit packaging label, as outlined in the figure below. EZR32HG 490 MHz Wireless Starter Kit SLWSTK6243A 01-02-16 124802042 Figure 11.1. Kit Label 11.1 SLWSTK6243A Revision History Kit Revision Released Description 28 September, 2016 Removed coin cell battery from kit due to shipping restrictions. -
Page 32: Document Revision History
12. Document Revision History Revision 1.01 8 December, 2017 • Added Ordering Information section with updated kit contents for SLWSTK6243A and SLWRB4545A. • Added SLWSTK6243A Rev B00, C00 and D00 in SLWSTK6243A Revision History section. • Added SLWRB4545A Revision History section. - Page 33 Trademark Information Silicon Laboratories Inc.® , Silicon Laboratories®, Silicon Labs®, SiLabs® and the Silicon Labs logo®, Bluegiga®, Bluegiga Logo®, Clockbuilder®, CMEMS®, DSPLL®, EFM®, EFM32®, EFR, Ember®, Energy Micro, Energy Micro logo and combinations thereof, "the world’s most energy friendly microcontrollers", Ember®, EZLink®, EZRadio®, EZRadioPRO®, Gecko®, ISOmodem®, Micrium, Precision32®, ProSLIC®, Simplicity Studio®, SiPHY®, Telegesis, the Telegesis Logo®, USBXpress®, Zentri and others are trademarks or registered...
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